Home / 129,367,740.20-194,051,610.30-118,786,159.40

Finding the Fourth Proportional to 129,367,740.20, 194,051,610.30 and 118,786,159.40

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Solution

The fourth proportional to 129,367,740.20, 194,051,610.30 and 118,786,159.40 is: 178,179,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,367,740.20 : 194,051,610.30 = 118,786,159.40 : x
  2. Step 2: Convert to fraction form
    129,367,740.20/194,051,610.30 = 118,786,159.40/x
  3. Step 3: Cross multiply
    129,367,740.20x = 194,051,610.30 × 118,786,159.40
  4. Step 4: Simplify right side
    129,367,740.20x = 23,050,645,512,922,484
  5. Step 5: Solve for x
    x = 23,050,645,512,922,484/129,367,740.20
  6. Step 6: Final answer
    x = 178,179,239.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.